About 65 percent of Americans are either obese or overweight, and the CDC has classified obesity as an epidemic, yet recent studies have shown that obese people with chronic diseases have a better chance of survival than normal-weight individuals do.

As the weather heats up, so often does our desire to get fit -- or to at least fit into those spring and summer outfits we wore last year. Here, a handful of ways you can burn calories while enjoying some sun on your next lunch break.